63418384 has 10 divisors (see below), whose sum is σ = 122873150. Its totient is φ = 31709184.

The previous prime is 63418373. The next prime is 63418393. The reversal of 63418384 is 48381436.

It can be written as a sum of positive squares in only one way, i.e., 52998400 + 10419984 = 7280^2 + 3228^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1981809 + ... + 1981840.

It is an arithmetic number, because the mean of its divisors is an integer number (12287315).

Almost surely, 2^63418384 is an apocalyptic number.

It is an amenable number.

63418384 is a deficient number, since it is larger than the sum of its proper divisors (59454766).

63418384 is a wasteful number, since it uses less digits than its factorization.

63418384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963657 (or 3963651 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 63418384 is about 7963.5660353889. The cubic root of 63418384 is about 398.7846108131.

The spelling of 63418384 in words is "sixty-three million, four hundred eighteen thousand, three hundred eighty-four".